(svn r24481) -Feature [FS#5127]: Make the pathfinder decide whether ships shall leave depots towards north or south.

src/pathfinder/yapf/yapf.h

@@ -28,6 +28,13 @@
  */
 Track YapfShipChooseTrack(const Ship *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks, bool &path_found);
 
+/**
+ * Returns true if it is better to reverse the ship before leaving depot using YAPF.
+ * @param v the ship leaving the depot
+ * @return true if reversing is better
+ */
+bool YapfShipCheckReverse(const Ship *v);
+
 /**
  * Finds the best path for given road vehicle using YAPF.
  * @param v         the RV that needs to find a path